Uncovering The Formula For a Mysterious, Medieval Blue Ink

For thousands and thousands of years a purple-blue ink known as folium was used to color all kinds of books, cheese rinds and more, but its formula was lost until a team of researchers recently deciphered the recipe through three ancient texts. It’s long been confirmed that the dye comes from the fruit of chrozophora tinctoria, but this isn’t a complete assessment. By poring over the …

MIT’s New Color-Changing Ink, PhotoChromeleon

From MIT’s Computer Science and Artificial Intelligence Laboratory comes a product that could calm the nerves of fickle consumers. PhotoChromeleon is a high-tech ink that changes color through “reprogramming.” This means exposing the ink to UV light to activate or deactivate some of its components, which include “a scientific mix of cyan, magenta, and yellow photochromic dyes,” according to Fast Company. The sprayable ink can …

Link About It: This Week’s Picks

Secret lives of tattoos, the underbelly of an iceberg, celebrating women artists and more in our look around the web

1. Celebrating Artists on International Women’s Day While we shouldn’t only celebrate women artists one day of the year, It’s Nice That is showcasing the work (and thoughts) of an all-star-cast of women artists for IWD 2018. Working with various styles and mediums, articles include “words of wisdom from stage designer and visual artist Es Devlin; a rare interview with The Smiling Sun creator Anne …